CN211257901U

CN211257901U - Concrete bores patching device behind core

Info

Publication number: CN211257901U
Application number: CN201921625697.6U
Authority: CN
Inventors: 刘剑; 游静; 黄彦乐
Original assignee: Tsinghua Yuan Engineering Structures Inspection Ltd Shenzhen
Current assignee: Tsinghua Yuan Engineering Structures Inspection Ltd Shenzhen
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-08-14
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to a concrete bores patching device behind core, wear to locate the sleeve blind end and lie in sleeve one end and sleeve sliding fit's propulsion piston with sleeve sliding fit's propulsion pole and fixed connection including one end confined sleeve, along being on a parallel with sleeve axis direction. The utility model discloses have portable, make the workman can be quick with the good effect is repaired to the hole that forms behind the sample of concrete core drilling simultaneously.

Description

Concrete bores patching device behind core

Technical Field

The utility model belongs to the technical field of the concrete core sample and specifically relates to a repair device behind concrete core.

Background

Concrete is one of the most important construction materials in the building industry at present, and concrete members are indispensable components in construction engineering structures, so that the important position of concrete in the whole building is seen, and the concrete directly influences the safety and the durability of the building. In the process of core drilling detection of a concrete member by a construction engineering detection acceptance unit, core drilling sampling (drilling a cylinder with the core sample diameter of 75mm or 100mm and the length of about 100 mm) on the concrete surface is required, a concrete strength test piece is prepared, and the strength of the concrete core sample is measured and used for checking and verifying the strength of the concrete of a building or used as a main quality index for evaluating a structure; each core sample is taken, meaning that the concrete element will leave a cylindrical hole of the same size, causing slight damage to the concrete surface, which would also affect the durability of the concrete element. Therefore, workers need to be arranged for inspection and repair after core drilling and sampling, the workers need to carry cement mortar, carry plastering tools and the like during repair, the building is inspected, and the building is also required to be lifted up to operate a house beam or an upright column, the key is that the hole is deep, and the hole is difficult to be fully filled by manual plastering.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete bores patching device behind core, its advantage: the portable hole drilling machine is convenient to carry, and simultaneously, workers can quickly repair holes formed after concrete core drilling and sampling.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a patching device behind concrete core drilling, includes one end confined sleeve, along being on a parallel with sleeve axis direction wear to locate the sleeve blind end and with sleeve sliding fit's pushing ram and fixed connection be located sleeve one end and with sleeve sliding fit's propulsion piston at the pushing ram.

By the technical scheme, the use is convenient; when repairing the hole, firstly inserting the open end of the sleeve into a container filled with clear water, then sucking water into the sleeve by pulling the push rod, then aligning the sleeve with or inserting the sleeve into the hole formed after sampling the concrete drill core and pushing the push rod, so that the water in the sleeve is injected into the hole to wash and wet the hole, when the hole is cleaned to be qualified, inserting the open end of the sleeve into the container filled with concrete, then sucking the concrete into the sleeve by pulling the push rod, then inserting the sleeve into the hole, then slowly pulling the sleeve out of the hole and pushing the push rod, so that the concrete in the sleeve is discharged into the hole, when the sleeve is about to be pulled out of the hole, a user can continuously push and pull the push rod to tamp the concrete in the hole, and finally trowelling the concrete at the hole opening.

The utility model discloses further set up to: one end of the push rod, which is far away from the push piston, is fixedly connected with a cake-shaped handle.

Through the technical scheme, on one hand, a user can conveniently pull and push the push rod; on the other hand, the handle can be used as a floating tool so that a user can float the concrete at the hole opening.

The utility model discloses further set up to: the diameter of the handle is larger than the diameter of the sleeve.

Through above-mentioned technical scheme, avoid when plastering the concrete of hole entrance to a cave department, the user loses the hand and inserts the handle in the hole.

The utility model discloses further set up to: the fixed cover of the periphery wall of sleeve open end is equipped with the rubber circle.

Through above-mentioned technical scheme, when wasing the hole, can select to insert the sleeve in the hole, when extracting the sleeve from the hole, the mud in the hole can be scraped out earlier with the rubber circle to improve the cleaning efficiency in hole, also made the hole more totally by the clearance.

The utility model discloses further set up to: the rubber ring and the sleeve are connected through countersunk screws.

Through above-mentioned technical scheme, because the rubber circle is the consumptive material, so set up can the person of being convenient for change the rubber circle.

The utility model discloses further set up to: the sleeve is characterized in that the open end of the sleeve is detachably connected with an end cover, the end cover comprises a sealing cover part which is covered on the open end of the sleeve in a sealing way, a plurality of water outlet holes are formed in the sealing cover part, one end of each water outlet hole is communicated with the end face, facing the closed end of the sleeve, of the sealing cover part, and the other end of each water outlet hole extends in a direction away from the axis of the sleeve in an inclined way and is communicated with the end; the water outlet holes are positioned on the same circumference with the center of the sealing cover part as the circle center.

Through the technical scheme, when the hole is cleaned, the end cover is clamped on the sleeve, and water is not easy to spill out of the sleeve under the action of the tension of the water and the atmospheric pressure, so that the amount of water spilled out of the sleeve by a user during ascending operation is greatly reduced; in addition, when the hole is cleaned, a user can insert the sleeve into the hole, and then push the push rod to enable clear water to be ejected from the water outlet and sprayed onto the peripheral wall and the bottom wall of the hole, so that the cleaning effect of the hole is improved, and the bonding effect of concrete filled in the hole and an original concrete member is improved; after the cleaning of the bore is completed, the end cap can be removed from the sleeve.

The utility model discloses further set up to: the inner side of the sleeve, close to the opening end of the sleeve, is provided with at least two slots communicated with the end surface of the opening end of the sleeve, and the length directions of the slots are parallel to the axial direction of the sleeve; the inner side of the sleeve is also provided with a clamping groove which is mutually vertical to the slot and is communicated with one end of the slot far away from the opening end of the sleeve;

the end cover also comprises at least two L-shaped clamping parts which are fixed at the outline of the outer edge of the cover part and are in sliding fit with the slots; the clamping portion comprises a connecting sheet fixedly connected to the sealing cover portion and a clamping sheet fixedly connected to one end, far away from the sealing cover portion, of the connecting sheet and matched with the clamping groove.

Through the technical scheme, the end cover is convenient to detach and mount; the end cover can be prevented from falling off from the sleeve when water is extruded from the sleeve through the matching of the clamping sheet and the clamping groove.

The utility model discloses further set up to: the joint piece has the hemisphere arch towards one side integrated into one piece of sleeve periphery wall, set up the pit that supplies the protruding embedding of hemisphere in the sleeve upper and in the draw-in groove.

Through above-mentioned technical scheme, make end cover and telescopic joint more stable, avoid extruding water from the sleeve in, the end cover takes place to rotate, leads to the condition that the end cover drops from the sleeve to appear.

The utility model discloses further set up to: and a shifting block is fixed at the position of one side of the sealing cover part back to the closed end of the sleeve, which deviates from the center.

Through above-mentioned technical scheme, convenient to use person rotates the end cover to be convenient for pull down the end cover from the sleeve.

To sum up, the utility model discloses a beneficial technological effect does:

1. the portable concrete drill core is convenient to carry, and simultaneously, workers can quickly repair holes formed after concrete drill cores are sampled;

2. on one hand, the arrangement of the handle is convenient for a user to pull and push the push rod; on the other hand, the handle can be used as a floating tool so that a user can float the concrete at the hole opening;

3. when the holes are cleaned, the sleeve can be selectively inserted into the holes, and when the sleeve is pulled out of the holes, the rubber ring can scrape mud in the holes, so that the cleaning efficiency of the holes is improved, and the holes are cleaned more cleanly;

4. the arrangement of the end cover ensures that water is not easy to spill out of the sleeve when the hole is cleaned, thereby greatly reducing the amount of water spilled out of the sleeve when a user works at an ascending height; in addition, when the hole is cleaned, a user can insert the sleeve into the hole and then push the push rod to enable clear water to be ejected from the water outlet and sprayed onto the peripheral wall and the bottom wall of the hole, so that the cleaning effect of the hole is improved, and the bonding effect of concrete filled into the hole and an original concrete member is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the structure embodied within the sleeve;

fig. 3 is an exploded view of a structure embodying an end cap.

In the figure, 1, a sleeve; 11. a slot; 12. a card slot; 13. a pit; 2. a push rod; 3. a pusher piston; 4. a handle; 5. a rubber ring; 6. an end cap; 61. a capping portion; 62. a water outlet hole; 63. connecting sheets; 64. a clip sheet; 65. a hemispherical protrusion; 66. and (5) shifting blocks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention.

Referring to fig. 1 and 2, the concrete core drilling post-repair device disclosed by the invention comprises a sleeve 1 with a closed end, a push rod 2 which is arranged at the closed end of the sleeve 1 along the axis of the sleeve 1 in a penetrating manner and is in sliding fit with the closed end of the sleeve 1, a push piston 3 which is fixedly connected with one end of the push rod 2 positioned in the sleeve 1 and is in sliding fit with the sleeve 1, a rubber ring 5 which is sleeved on the outer peripheral wall of the open end of the sleeve 1 and is detachably connected with the sleeve 1, and a cake-shaped handle 4 which is fixedly connected with one end of the push rod 2 positioned outside the sleeve 1; the diameter of the handle 4 is larger than that of the sleeve 1; adopt countersunk screw to connect between above-mentioned rubber circle 5 and the sleeve 1, seted up a plurality of counter bores on rubber circle 5, be close to its open end department at sleeve 1 periphery wall and seted up a plurality of screw holes, countersunk screw passes in countersunk hole and the screw in screw hole. In the present embodiment, the pushing piston 3 is made of rubber, and the inner peripheral wall of the sleeve 1 is in close contact with the pushing piston 3.

Referring to fig. 2 and 3, an end cover 6 is detachably connected to the open end of the sleeve 1, and the end cover 6 includes a cover portion 61 covering the open end of the sleeve 1 and having a circular cake shape, and at least two clamping portions (five are taken as examples in this embodiment) fixedly connected to the outer edge of the cover portion 61 facing the closed end of the sleeve 1.

With reference to fig. 2 and 3, a plurality of water outlet holes 62 are formed in the sealing cover portion 61, one end of each water outlet hole 62 is communicated with the end surface of the sealing cover portion 61 facing the closed end of the sleeve 1, and the other end of each water outlet hole 62 extends in the direction away from the axis of the sleeve 1 and is communicated with the end surface of the sealing cover portion 61 opposite to the closed end of the sleeve 1; the water outlets 62 are located on the same circle with the center of the cover 61 as the center.

Referring to fig. 3, the inner side of the sleeve 1 near the opening end is provided with slots 11, which are parallel to the axis of the sleeve 1, and are communicated with the end face of the opening end of the sleeve 1, the number of the slots 11 is the same as that of the clamping portions, the inner side of the sleeve 1 is further provided with clamping grooves 12, which are perpendicular to the slots 11 and are communicated with one ends of the slots 11 far away from the opening end of the sleeve 1, and the slots 11 and the clamping grooves 12 are combined to form an L. The clamping portion is in sliding fit with the slot 11 (namely the maximum width of the clamping portion is the same as the width of the slot 11), and comprises a connecting sheet 63 integrally formed on the sealing cover portion 61 and a clamping sheet 64 fixedly connected to one end, far away from the sealing cover portion 61, of the connecting sheet 63 and matched with the clamping groove 12, and a hemispherical protrusion 65 is integrally formed in the center of one side, facing the outer peripheral wall of the sleeve 1, of the clamping sheet 64; correspondingly, a concave pit 13 for embedding the hemispherical protrusion 65 is arranged on the sleeve 1 and in the clamping groove 12.

When the concrete core post-drilling repairing device disclosed in the present embodiment is used to repair a hole formed after a concrete core is sampled, the hole is cleaned first, and then concrete is injected into the hole.

When cleaning the hole, the end cover 6 covers the open end of the sleeve 1, the open end of the sleeve 1 is firstly inserted into a container filled with clear water, then the push rod 2 is pulled to suck water into the sleeve 1, then the sleeve 1 is inserted into the hole, then the sleeve 1 is pulled out of the hole while the push rod 2 is pushed into the sleeve 1, so that the clear water in the sleeve 1 is sprayed out of the water outlet hole 62 and is sprayed onto the peripheral side wall of the hole, the hole is washed and moistened, and in the process of pulling the sleeve 1 out of the hole, the rubber ring 5 can scrape out slurry in the hole, so that the cleaning efficiency of the hole is improved, and the hole is cleaned more cleanly; after a plurality of times of cleaning, the holes are qualified, and concrete can be injected into the holes.

When concrete is injected into the hole, the end cover 6 is screwed to remove the clamping connection between the clamping sheet 64 and the clamping groove 12, the end cover 6 is detached from the sleeve 1, the open end of the sleeve 1 is inserted into a container filled with the concrete, the concrete is sucked into the sleeve 1 through the pulling push rod 2, the sleeve 1 is inserted into the hole, the sleeve 1 is slowly pulled out of the hole and pushes the push rod 2, the concrete in the sleeve 1 is discharged into the hole, when the sleeve 1 is about to be pulled out of the hole, a user can continuously push and pull the push rod 2 to tamp the concrete in the hole, and finally the handle 4 is used for leveling the concrete at the hole.

Further, referring to fig. 3, a shifting block 66 is integrally formed at the side of the cover part 61 opposite to the closed end of the sleeve 1 and is offset from the center, so that a user can rotate the end cover 6.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a patching device behind concrete core drilling which characterized by: the sleeve comprises a sleeve (1) with one closed end, a pushing rod (2) which is arranged in the sleeve (1) in a penetrating way in the direction parallel to the axis of the sleeve (1) and is in sliding fit with the sleeve (1), and a pushing piston (3) which is fixedly connected with the pushing rod (2), is arranged at one end in the sleeve (1) and is in sliding fit with the sleeve (1).

2. The concrete post-core-drilling patching device as claimed in claim 1, wherein: one end of the push rod (2) far away from the push piston (3) is fixedly connected with a cake-shaped handle (4).

3. The concrete post-core-drilling patching device as claimed in claim 2, wherein: the diameter of the handle (4) is larger than that of the sleeve (1).

4. The concrete post-core-drilling patching device as claimed in claim 1, wherein: the outer peripheral wall of the opening end of the sleeve (1) is fixedly sleeved with a rubber ring (5).

5. The concrete post-core-drilling patching device as claimed in claim 4, wherein: the rubber ring (5) is connected with the sleeve (1) through a countersunk head screw.

6. The concrete post-core-drilling patching device as claimed in claim 1, wherein: the end cover (6) is detachably connected to the open end of the sleeve (1), the end cover (6) comprises a sealing cover part (61) which is covered on the open end of the sleeve (1), a plurality of water outlet holes (62) are formed in the sealing cover part (61), one end of each water outlet hole (62) is communicated with the end face, facing the closed end of the sleeve (1), of the sealing cover part (61), and the other end of each water outlet hole obliquely extends in the direction away from the axis of the sleeve (1) and is communicated with the end face, facing away from the closed end of the sleeve (1), of the sealing cover; the water outlet holes (62) are positioned on the same circumference with the center of the sealing cover part (61) as the center of a circle.

7. The concrete post-core-drilling patching device as claimed in claim 6, wherein: at least two slots (11) communicated with the end face of the opening end of the sleeve (1) are formed in the inner side of the sleeve (1) close to the opening end of the sleeve, and the length direction of each slot (11) is parallel to the axial direction of the sleeve (1); the inner side of the sleeve (1) is also provided with a clamping groove (12) which is perpendicular to the slot (11) and is communicated with one end of the slot (11) far away from the opening end of the sleeve (1);

the end cover (6) also comprises at least two L-shaped clamping parts which are fixed at the outline of the outer edge of the cover sealing part (61) and are in sliding fit with the slots (11); the clamping portion comprises a connecting piece (63) fixedly connected to the sealing cover portion (61) and a clamping piece (64) fixedly connected to one end, far away from the sealing cover portion (61), of the connecting piece (63) and matched with the clamping groove (12).

8. The concrete post-core-drilling patching device of claim 7, wherein: one side integrated into one piece of joint piece (64) periphery wall towards sleeve (1) has hemisphere arch (65), offer pit (13) that supply hemisphere arch (65) to imbed in on sleeve (1), draw-in groove (12).

9. The concrete post-core-drilling patching device of claim 8, wherein: a shifting block (66) is fixed at the position of one side of the sealing cover part (61) back to the closed end of the sleeve (1) and deviated from the center.